1. SIM card tray + SIM card tray + Micro SD card tray for Samsung Galaxy A51 / A515. 2. Replace your broken or unworkable one. 3. Each item has been checked and in good condition before shipping. 4. Completely fit and work. 5. Professional installation is highly recommended. We will not be responsible for any damages to your cellphone/mobile phone that you may cause during the changing of replacement parts.